#define _CRT_SECURE_NO_WARNINGS

namespace cpq
{
	struct Node
	{
		int val;
		struct QNode* next;
	};
	struct Queue
	{
		struct Node* head;
		struct Node* tail;
		int size;
	};
	void Init(struct Node* pq);
	void Pushback(struct Node* pq,int x);

}